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/*
* $Header: /home/dmarkle/xtrkcad-fork-cvs/xtrkcad/app/bin/tcornu.h,v 1.1 2005-12-07 15:47:36 rc-flyer Exp $
*/
/* XTrkCad - Model Railroad CAD
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
typedef struct {
coOrd pos[2];
coOrd c[2];
ANGLE_T a[2];
DIST_T r[2];
DIST_T minCurveRadius;
DIST_T maxRateofChange;
DIST_T length;
ANGLE_T windingAngle;
dynArr_t arcSegs;
coOrd descriptionOff;
char * cornuPath;
} cornuData_t;
typedef struct {
coOrd pos[2]; //All values for end if trk[end] = NULL
DIST_T radius[2]; //0.0 if straight
ANGLE_T angle[2]; //Set if straight
coOrd center[2]; //Set if radius >0
} cornuParm_t;
double CornuMaxCurve(coOrd[2],ANGLE_T[2],DIST_T[2]);
double BezierMathMinRadius(coOrd[4]);
coOrd BezierMathFindNearestPoint(coOrd *, coOrd[4] , int );
track_p NewCornuTrack(coOrd pos[2], coOrd center[2], ANGLE_T angle[2], DIST_T radius[2], trkSeg_t * tempsegs, int count);
DIST_T CornuDistance( coOrd *, coOrd[2], ANGLE_T[2], DIST_T[2], trkSeg_t * ,int , double * );
BOOL_T FixUpCornu(coOrd pos[2], track_p [2], EPINX_T ep[2], struct extraData* xx);
BOOL_T FixUpCornu0(coOrd pos[2], coOrd center[2], ANGLE_T angle[2], DIST_T radius[2], struct extraData* xx);
BOOL_T GetCornuSegmentsFromTrack(track_p, trkSeg_p);
BOOL_T SetCornuEndPt(track_p trk, EPINX_T inx, coOrd pos, coOrd center, ANGLE_T angle, DIST_T radius);
BOOL_T RebuildCornu (track_p trk);
STATUS_T CornuDescriptionMove(track_p trk,wAction_t action,coOrd pos );
DIST_T CornuDescriptionDistance(coOrd pos,track_p trk );
BOOL_T CallCornu(coOrd[2],track_p[2],EPINX_T[2],dynArr_t *,cornuParm_t *);
BOOL_T CallCornu0(coOrd[2], coOrd[2], ANGLE_T[2], DIST_T[2], dynArr_t *,BOOL_T);
BOOL_T GetBezierSegmentsFromCornu(track_p, dynArr_t *);
char * CreateSegPathList(track_p trk);
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